The steps to derive the quadratic formula are shown below X + - 4a? Step 1 ax2 + bx+c=0 Step 2 ax2 + bx = - C |x² b C Step 3 +-X a a a 2. b b? с b? Step 4X2 + + a 4a? a b b? 4ac b2 X + + a 4a? 4a? 4a? b b2 - 4ac Step 6|| X + = 2a 4a? b b2 - 4ac Vb2 Step 7|| X + =t 2a 4a2 2a Step 5x2 + b2 - 4ac Vb2 - 4ac Step 8x = b + 2a 2a -b + b2 - 4ac 2a Step 9x= Which of the following is the first incorrect step? (1 point) Step 2
Step 3
Step 4
Step 7​